AR042073A1 - PROCEDURE FOR MANUFACTURING A STEEL SHEET ABRASION RESISTANT AND SHEET OBTAINED - Google Patents

PROCEDURE FOR MANUFACTURING A STEEL SHEET ABRASION RESISTANT AND SHEET OBTAINED

Info

Publication number
AR042073A1
AR042073A1 ARP030104259A ARP030104259A AR042073A1 AR 042073 A1 AR042073 A1 AR 042073A1 AR P030104259 A ARP030104259 A AR P030104259A AR P030104259 A ARP030104259 A AR P030104259A AR 042073 A1 AR042073 A1 AR 042073A1
Authority
AR
Argentina
Prior art keywords
sheet
possibly
cooled
manufacturing
temperature
Prior art date
Application number
ARP030104259A
Other languages
Spanish (es)
Original Assignee
Usinor
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Usinor filed Critical Usinor
Publication of AR042073A1 publication Critical patent/AR042073A1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

La presente se refiere a un procedimiento para fabricar una chapa de acero resistente a la abrasión cuya composición química comprende, en peso: 0,24% =< C =< 0,35%%; 0% =< Si =< 2%; 0% =< Al =< 2%; 0,5% =< Si + Al =< 2%; 0% =< Mn =< 2,5%; 0% =< Ni =< 5%; 0% =< Cr =< 5%, 0% =< Mo =< 1%; 0% =< W =< 2%; 0,1% =< Mo + W/2 =< 1%; 0% =< B =< 0,02%, 0% =< Ti =< 1,1%; 0% =< Zr =< 2,2%; 0,35% =< Ti + Zr/2 =< 1,1%; 0% =< S =< 1,5%; N =< 0,03%; eventualmente de =% a 1,5% de cobre; eventualmente al menos un elemento escogido entre Nb, Ta y V en cantidades tales que Nb/2 + V =< 0,5%; eventualmente al menos un elemento escogido entre Se, Te, Ca, Bi, Pb en cantidades inferiores o iguales a 0,1%; siendo el resto hierro y las impurezas resultantes de la elaboración, cumpliendo además la composición química las siguientes relaciones: 0,095% =< C* = C - Ti/4 - Zr/8 + 7xN/8 y 1,05xMn + 0,54xNi + 0,50xCr + 0,3x(Mo + W/2)1/2 + K < 1,8, con K = 0,5 si B =< 0,0005% y K = 0 si B < 0,0005%. Se somete la chapa a un simple, en el calentamiento de la laminación o después de la austenitización en un horno. Se enfría la chapa a una velocidad de enfriamiento superior a 0,5%° C/s entre una temperatura superior a AC3 y una temperatura comprendida entre T = 800 - 270xC* - 90xMn - 37xNi- 70xCr - 83x(Mo + W/2), y T - 50° C; se enfría después la chapa a una velocidad de enfriamiento en el núcleo Vr < 1150xep-1,7 y superior a 0,1° C/s, entre la temperatura T y 100° C, ep = espesor de la chapa expresado en mm; se enfría la chapa hasta la temperatura ambiente y se efectúa, eventualmente, un apalanadoThis refers to a process for manufacturing an abrasion resistant steel sheet whose chemical composition comprises, by weight: 0.24% = <C = <0.35 %%; 0% = <Yes = <2%; 0% = <Al = <2%; 0.5% = <Si + Al = <2%; 0% = <Mn = <2.5%; 0% = <Ni = <5%; 0% = <Cr = <5%, 0% = <Mo = <1%; 0% = <W = <2%; 0.1% = <Mo + W / 2 = <1%; 0% = <B = <0.02%, 0% = <Ti = <1.1%; 0% = <Zr = <2.2%; 0.35% = <Ti + Zr / 2 = <1.1%; 0% = <S = <1.5%; N = <0.03%; possibly =% to 1.5% copper; possibly at least one element chosen from Nb, Ta and V in amounts such that Nb / 2 + V = <0.5%; possibly at least one element chosen from Se, Te, Ca, Bi, Pb in amounts less than or equal to 0.1%; the rest being iron and the impurities resulting from the elaboration, also fulfilling the chemical composition the following ratios: 0.095% = <C * = C - Ti / 4 - Zr / 8 + 7xN / 8 and 1.05xMn + 0.54xNi + 0.50xCr + 0.3x (Mo + W / 2) 1/2 + K <1.8, with K = 0.5 if B = <0.0005% and K = 0 if B <0.0005%. The sheet is subjected to a simple one, in the heating of the lamination or after austenitization in an oven. The sheet is cooled at a cooling rate exceeding 0.5% ° C / s between a temperature higher than AC3 and a temperature between T = 800 - 270xC * - 90xMn - 37xNi- 70xCr - 83x (Mo + W / 2 ), and T-50 ° C; the sheet is then cooled to a cooling rate in the core Vr <1150xep-1.7 and greater than 0.1 ° C / s, between the temperature T and 100 ° C, ep = sheet thickness expressed in mm; the sheet is cooled to room temperature and eventually a flattening

ARP030104259A 2002-11-19 2003-11-18 PROCEDURE FOR MANUFACTURING A STEEL SHEET ABRASION RESISTANT AND SHEET OBTAINED AR042073A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0214426A FR2847272B1 (en) 2002-11-19 2002-11-19 METHOD FOR MANUFACTURING AN ABRASION RESISTANT STEEL SHEET AND OBTAINED SHEET

Publications (1)

Publication Number Publication Date
AR042073A1 true AR042073A1 (en) 2005-06-08

Family

ID=32187697

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP030104259A AR042073A1 (en) 2002-11-19 2003-11-18 PROCEDURE FOR MANUFACTURING A STEEL SHEET ABRASION RESISTANT AND SHEET OBTAINED

Country Status (19)

Country Link
US (1) US7713362B2 (en)
EP (1) EP1563105B1 (en)
JP (1) JP4535876B2 (en)
KR (1) KR101010571B1 (en)
CN (1) CN100348738C (en)
AR (1) AR042073A1 (en)
AT (1) ATE382716T1 (en)
AU (1) AU2003295014B2 (en)
BR (1) BR0315693B1 (en)
CA (1) CA2506349C (en)
DE (1) DE60318478T2 (en)
ES (1) ES2298605T3 (en)
FR (1) FR2847272B1 (en)
PE (1) PE20040484A1 (en)
PL (1) PL202086B1 (en)
RU (1) RU2326179C2 (en)
UA (1) UA78624C2 (en)
WO (1) WO2004048619A1 (en)
ZA (1) ZA200504150B (en)

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DE60318478D1 (en) 2008-02-14
UA78624C2 (en) 2007-04-10
KR101010571B1 (en) 2011-01-25
AU2003295014A1 (en) 2004-06-18
EP1563105A1 (en) 2005-08-17
RU2005119205A (en) 2006-05-10
FR2847272A1 (en) 2004-05-21
CN100348738C (en) 2007-11-14
US7713362B2 (en) 2010-05-11
WO2004048619A8 (en) 2005-05-26
DE60318478T2 (en) 2008-12-11
ZA200504150B (en) 2006-09-27
US20060162826A1 (en) 2006-07-27
EP1563105B1 (en) 2008-01-02
ES2298605T3 (en) 2008-05-16
ATE382716T1 (en) 2008-01-15
JP2006506527A (en) 2006-02-23
CA2506349A1 (en) 2004-06-10
KR20050083903A (en) 2005-08-26
RU2326179C2 (en) 2008-06-10
BR0315693B1 (en) 2011-06-28
PL202086B1 (en) 2009-05-29
FR2847272B1 (en) 2004-12-24
PL375543A1 (en) 2005-11-28
PE20040484A1 (en) 2004-08-18
CA2506349C (en) 2012-04-24
CN1714159A (en) 2005-12-28
AU2003295014B2 (en) 2009-03-12
JP4535876B2 (en) 2010-09-01
WO2004048619A1 (en) 2004-06-10
BR0315693A (en) 2005-09-20

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